By now you’ve heard that Maya Angelou has sadly passed away at the age of 86—but not without leaving an incredible legacy behind her. Many of her celeb friends and fans have taken to Twitter to express their grief, from fellow authors and politicians, to journalists, athletes & reality stars alike. See what they have to say below:

“Nothing can dim the light which shines from within.” —Maya Angelou pic.twitter.com/oR11k7rwxk

— Barack Obama (@BarackObama) May 28, 2014

Angel. #RIPMayaAngelou The first book I read as a teenager, “I know why the caged bird sings”. Felt like we knew her pic.twitter.com/inHEh9zIhs — Rihanna (@rihanna) May 28, 2014

Your words of wisdom will always be with us! You touched the lives of us all! #MayaAngelou